High severity · published Apr 2, 2020
CVE-2020-8423
A buffer overflow in the httpd daemon on TP-Link TL-WR841N V10 (firmware version 3.16.9) devices allows an authenticated remote attacker to execute arbitrary code via a GET…
7.2
CVSS
9.3%
EPSS
No
On KEV
Description
A buffer overflow in the httpd daemon on TP-Link TL-WR841N V10 (firmware version 3.16.9) devices allows an authenticated remote attacker to execute arbitrary code via a GET request to the page for the configuration of the Wi-Fi network.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)9.3% · higher than 95% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
TF
Tl-wr841n Firmware · Tp-link
3.16.9 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-8423
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-8423
Exploit
https://ktln2.org/2020/03/29/exploiting-mips-router/
Vendor Advisory
https://www.tp-link.com/us/security
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